Revenue for Internet publishing and broadcasting and Web search portal (NAICS 519130) employer firms increased 13.1 percent to $109.6 billion between 2013 and 2014. These information sector firms are primarily engaged in publishing and/or broadcasting content on the Internet exclusively or in operating websites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format. Revenue among wireless telecommunications carriers (NAICS 517210) – another industry in the information sector – grew 8.0 percent between 2013 and 2014 to $251.8 billion.

All in all, information sector (NAICS 51) revenue increased 5.3 percent to $1.4 trillion for employer and nonemployer firms. This sector is primarily comprised of publishing industries, including software and Internet publishing, motion picture and sound recording, broadcasting and telecommunications.

These revenue data come from the Service Annual Survey, which provides the most comprehensive national statistics available each year on service industry activity in the United States. Dating from 1982 as an annual survey and last expanded in 2009, the survey collects data on revenues, expenses, and other measures from firms in most service industries. Together, these industries account for approximately 55 percent of the U.S. gross domestic product and had aggregate revenue of $13.4 trillion in 2014 for employer and nonemployer firms. …